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ACCRUED LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2016
ACCRUED LIABILITIES |
Schedule of accrued liabilities |
|  | December 31, |
|  | 2016 |  | 2015 |
Accrued payroll and benefits |  | $ | 4,422 |  | $ | 3,675 |
Accrued property taxes |  |  | 99 |  |  | 128 |
Income taxes payable |  |  | 127 |  |  | 155 |
Accrued professional fees |  |  | 236 |  |  | 74 |
Accrued warranty liability |  |  | 671 |  |  | 601 |
Accrued regulatory settlement |  |  | 500 |  |  | 500 |
Accrued environmental reserve |  |  | 1,241 |  |  | 1,300 |
Accrued self-insurance reserve |  |  | 909 |  |  | 1,464 |
Accrued other |  |  | 225 |  |  | 237 |
Total accrued liabilities |  | $ | 8,430 |  | $ | 8,134 |

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